ld/x86: Update -z report-relative-reloc

Use 0x%v, instead of bfd_sprintf_vma, to report relative relocations.
Change linker relative relocations report from

tmpdir/dump: R_X86_64_IRELATIVE (offset: 0x0000000000002000, info: 0x0000000000000025, addend: 0x0000000000001007) against 'ifunc' for section '.data.rel.ro.local' in tmpdir/report-reloc-1.o

to

tmpdir/dump: R_X86_64_IRELATIVE (offset: 0x2000, info: 0x25, addend: 0x1007) against 'ifunc' for section '.data.rel.ro.local' in tmpdir/report-reloc-1.o

bfd/

	* elfxx-x86.c (_bfd_x86_elf_link_report_relative_reloc): Use
	0x%v instead of bfd_sprintf_vma.

ld/

	* testsuite/ld-i386/report-reloc-1.l: Updated.
	* testsuite/ld-x86-64/report-reloc-1.l: Likewise.